134.5+3.5x=3*130
    -(x-1)-2x+2=0
    0.146t+1.23t+0.5*9.8*t*t=0.026
    (x-1)^2-x+2=0
    134.5+3x=3*130
    1.3808/100=(1+i/12)^12-1
    1.3508/100=(1+i)^12-1
    2103.1599x^0.4+9.23x=100000
    1.3508/100=(1+i/12)^12
    9083*((1+i)^12-1)=100000*(1+i)^12*i
    0.76+8.62*sin(27)*t-0.5*9.81*t^2=0
    0.0014*x^3-0.12*x^2+2.68*x-22.64=0
    -4.245268（0.44-0.0167x）sin(140.454/(15-0.3x))+0.9=0.2004
    2x-1/3-1≤5x＋1/2
    -4.245268（0.44-0.0167x）sin(140.454/(15-0.3x))+0.9=1.67
    2303.2759x^0.4+9.23x=100000
    168.84+90+2x=3*135
    （1+i)^12*i=(1+i)^12*9083-9083
    168.84+2x=3*135
    2281.43x^0.4+9.23x=100000

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